Bovine Odorant Binding Protein에 대한 Tetrahydropyrane 및 Tetrahydrofurane 유도체들의 결합 친화력 상수에 관한 2D-QSAR 분석과 고활성 분자의 예측
2D-QSAR Analyses on the Binding Affinity Constants of Tetrahydropyrane and Tetrahydrofurane Analogues against Bovine Odorant Binding Protein and Predicted of High Active Molecules
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The two dimensional quantitative structure-activity relationships (2D-QSARs) models concerning the binding affinity constants (p[Od.]50) between 2-cyclohexyltetrahydropyrane and 2-cyclohexyltetrahydrofurane analogues as substrates, and bovine odorant binding protein (bOBP) as receptor were derived by multiple regression analyses method and discussed. The statistical quality of the optimized 2D-QSAR model (5) was good (r=0.907). From the model, the binding affinity constants (p[Od.]50) were dependent upon the optimal value ((TL)opt.=2.737) of total lipole (TL) of substrate molecules. Based on these findings, the high active compounds predicted by optimized 2D-QSAR model (5) were 2-(dimethylcyclohexyl)tetrahydropyrane molecule and their isomer molecules. The binding affinity constants regarding bOBP of the tetrahydrofuryl-2-yl family compounds were dependent upon the hydrophobicity (logP) of whole substrate molecules. In any case of porcine odorant-binding proteins (pOBP), the constants were dependent upon the hydrophobicity (πx=logPx-logPH) of substituents (R) in substrate molecules. Also, from the optimal values of hydrophobic constant, the hydrophobicity for bOBP influenced ca. twice time bigger (bOBP>pOBP) than that for pOBP.
목차
ABSTRACT 서론 재료 및 방법 설명 인자들의 계산 2D-QSAR 모델의 유도 결과 결합 친화력 상수와 설명인자 최적화된 2D-QSAR 모델 고찰 2D-QSAR 모델의 분석 고활성 분자의 조건 수용체에 따른 기질분자의 반응성 인용문헌